CN101892899B - Rotary piston for a rotary piston engine and rotary piston engine - Google Patents
Rotary piston for a rotary piston engine and rotary piston engine Download PDFInfo
- Publication number
- CN101892899B CN101892899B CN201010195168.4A CN201010195168A CN101892899B CN 101892899 B CN101892899 B CN 101892899B CN 201010195168 A CN201010195168 A CN 201010195168A CN 101892899 B CN101892899 B CN 101892899B
- Authority
- CN
- China
- Prior art keywords
- rotary
- piston
- exhaust
- flow
- piston engine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C1/00—Rotary-piston machines or engines
- F01C1/22—Rotary-piston machines or engines of internal-axis type with equidirectional movement of co-operating members at the points of engagement, or with one of the co-operating members being stationary, the inner member having more teeth or tooth- equivalents than the outer member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
- F01C21/18—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/20—Rotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2250/00—Geometry
- F04C2250/10—Geometry of the inlet or outlet
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The invention relates to a rotary piston engine, in particular a rotary engine of trochoidal design, with a side disk (4) on the exhaust side and a rotary piston (6) with at least of one, and preferably three, through-flow openings (6) through which the mixture can flow axially, wherein the side disk (4) on the exhaust side has a side exhaust port (43) and the at least of one through-flow opening (60) has an asymmetric internal contour (600) at least on its exhaust side, so that when the rotary piston (6) passes over the side exhaust port (43) the said side exhaust port (43) is not in fluid communication with an internal area of the through-flow opening (60). The invention further relates to a rotary piston (6) for a rotary piston engine.
Description
Technical field
The present invention relates to the piston rotary for rotary piston engine (Rotationskolbenmotor)
and rotary piston engine.
Background technique
Piston rotary, is called for short rotor, is exposed under high heating power load the in service of rotary piston engine.Known for the cooling different technologies of rotor by technical background.
For example, known utilization oil carrys out cooled rotor.In addition the known pure air that utilizes is cooling.For the low structural type of cost, mixed gas (Gemisch) cooled rotor that also known utilization sucks.The piston rotary of this form and invention are also called as the cooling piston rotary of mixed gas or the cooling rotor of mixed gas relatively.In the cooling rotor of mixed gas, mixed gas axial flow is by motor and bear necessary heat radiation on internal rotor surface thus.The negative pressure indoor by the air aspiration cavity of motor strengthens by the air-flow of motor.
In the rotary piston engine of cooling rotor, be provided with side suction port and/or around suction port, flow into by this suction port mixed gas in the chamber of motor with mixed gas known.In the cooling rotor of this external mixture, be provided with around relief opening, by this relief opening combustion gas.But thus in chamber remaining unburned mixed gas also partly arrive relief opening.
Summary of the invention
The object of the invention is to, realize the revolution type piston engine (Kreiskolbenmotor) that a kind of cost is low, it has the cooling rotor of mixed gas that improves discharge value.The present invention also aims to, realize for the cooling piston-engined piston rotary of revolution type of mixed gas.
This object is passed through for the cooling rotary piston engine of mixed gas, solved for the piston-engined piston rotary of revolution type of trochoid structural type (Trochoidenbauart) especially, this piston rotary with at least one, be preferably the flow-through opening of three axial negotiable mixed gass
wherein, at least one flow-through opening at least has asymmetric in-profile in its exhaust side, to make when the side exhaust port by the inswept rotary piston engine of piston rotary, side exhaust port does not carry out fluid with the inner space of flow-through opening and is communicated with.
This object is also passed through rotary piston engine, particularly the revolution type piston engine of trochoid structural type is solved, this rotary piston engine comprise the side panel (Seitenscheibe) of exhaust side and according to invention with at least one, be preferably the piston rotary of the flow-through opening of three axial negotiable mixed gass, wherein, the side panel of exhaust side has side exhaust port and at least one flow-through opening at least has asymmetric in-profile in its exhaust side, to make when by the inswept side of piston rotary exhaust port, side exhaust port does not carry out fluid with the inner space of flow-through opening and is communicated with.
In other words, the so mutual coordination of side exhaust port of the outlet (M ü ndung) of the exhaust side of flow-through opening and the side panel of exhaust side, during engine running under any rotor-position the outlet of exhaust side be not positioned at exhaust port region.
Revolution type piston engine is called as the revolution type piston engine of trochoid structural type thus, and this revolution type piston engine has with the rotor case of two arc in-profiles (trochoid) and leg-of-mutton piston rotary.
Fuel-air-the mixed gas being provided by Carburetor or oil nozzle, is called for short mixed gas, is introduced into engine charge chamber by side suction port or around suction port.This mixed gas is for example inhaled into by the perforate in air intake passage and side panel, for the mixed gas that dispels the heat by the perforate in side panel by one of flow-through opening axially by piston rotary and be directed to air inlet chamber, preferably by the corresponding aperture of relative exhaust side (Gegenauslassseite).
Combustion gas after common four-stroke flow process, is wherein provided with side relief opening according to the present invention to this.In the relief opening of side, unburned residual gas is retained in chamber and in next one circulation and mixes with the new mixed gas importing.Engine efficiency and discharge value thereof are improved thus.Side relief opening is opened or closed in exhaust chamber or expansion chamber's direction according to its position by piston rotary.By at least the asymmetric moulding at the flow-through opening in-profile of the exhaust side of rotor can, provide for good cooling large flow-through opening and the good input of the mixed gas to air inlet chamber is if possible provided, and having kept the cooling internal rotor space of mixed gas to separate with side exhaust port all the time simultaneously.
Preferably on the exterior contour of piston rotary, be furnished with Stamping Steel Ribbon.With usual way design sealing bar, wherein also realize the sealing in exhaust port direction of expansion chamber and/or exhaust chamber by Stamping Steel Ribbon at this.In the time of the inswept exhaust port with leading exterior contour, exhaust port is opened in expansion chamber's direction.In the time of the inswept exhaust port with hysteresis exterior contour, exhaust port is closed in exhaust chamber's direction.
In an embodiment of the present invention, there is starting face at least one flow-through opening of exhaust side of piston rotary
this starting face is in operation and leans on the side panel of the exhaust side of rotary piston engine.Thus with invention relatively, should be called as in the face of the rotor surface of the side panel of exhaust side the exhaust side of piston rotary.Be in operation, in side panel direction, push up by the air pressure of axial generation the starting face of pressure, keep thus lasting contact.Starting face is designed to parts in embodiments, and these parts can be arranged in flow-through opening.Starting face is positioned on the side surface of exhaust side of rotor in another embodiment, wherein hides flow-through opening by starting face portion ground, realizes thus the asymmetric in-profile of flow-through opening in exhaust side.Start face in another embodiment and rotor design is integral.This material coating is made and/or utilized to starting face by suitable material in embodiments, with ensure with side panel without wearing and tearing contact.
Preferably, be in operation side direction rotor-side surface that piston rotary is subject to gas pressure is designed to be greater than in exhaust side in exhaust side relatively.Rotor is pressed towards exhaust side direction top by air pressure and has been improved rotor, particularly started the compression of face on the side panel of exhaust side with this thus.
Preferably, side exhaust port by piston rotary when the minimum volume arriving in exhaust chamber or before, in other words in the time arriving valve overlap or before can be closed.Also be preferably provided in such a way rotor, make side exhaust port by piston rotary before the maximum volume arriving in exhaust chamber, open for combustion gas in the region of about 20 ° to 30 °.
In further favourable embodiment, in the exhaust passage of the side panel of exhaust side, be provided with heat insulating member.Can reduce the heat load of side panel by heat insulating member.
Brief description of the drawings
Other advantage of the present invention by dependent claims and the description of below embodiment of the present invention being given an example provide, this embodiment shows in the diagram.Adopt in the drawings consistent reference symbol for same or analogous structure member.
In figure, show:
Fig. 1 is according to the piston-engined cross sectional view of the revolution type with piston rotary of the present invention;
Fig. 2 axially passes through according to the piston-engined view above the side panel of relative exhaust side of the revolution type of Fig. 1;
Fig. 3 is the plan view according to piston rotary of the present invention;
Fig. 4 axially passes through according to the piston-engined view in the time that side exhaust port is opened above the side panel of exhaust side of the revolution type of Fig. 1;
Fig. 5 is at the view in the time that side exhaust port is closed above the side panel of exhaust side according to Fig. 4.
Embodiment
Fig. 1 has shown the schematic cross-section of revolution type piston engine 1.Case 2 in the middle of revolution type piston engine 1 comprises, side panel 3,4, eccentric shaft 5 and be bearing in the piston rotary 6 on eccentric shaft 5.
Coolant flow by revolution type piston engine 1 represents by arrow in the drawings.Use mixed gas as freezing mixture.On the side panel 4 that mixed gas shows by right side in Fig. 1 the perforate 40 that is provided with suck gas-entered passageway 41 and by the flow-through opening 60 that is provided with in piston rotary 6 axially directed by piston rotary 6.Make thus mixed gas arrive the perforate 30 in the side panel 30 that left side shows in Fig. 1 and flow to air-breathing chamber the inside by side air inlet openings 31.
After conventionally known four-stroke flow process, discharge by the exhaust passage 42 in side panel 4 through the mixed gas of burning.Therefore side panel 4 is also referred to as the side panel of exhaust side.The side panel 3 on opposite is also referred to as the side panel of relative exhaust side.In order to reduce the temperature load of side panel 4 of exhaust side, shown in embodiment for example in exhaust passage 42 there are isolated parts 7.According to the present invention, mixed gas is drawn towards exhaust passage 42 by side relief opening 43.The layout advantage of the relief opening 43 of this form is, in four-stroke flow process, unburned mixed gas is retained in chamber.With the structure of the revolution type piston engine 1 of side relief opening 43 by the special constitution realization of piston rotary 6.
Fig. 2 has shown axially by the view above side panel 3 of revolution type piston engine 1, in the time that the inlet stream of mixed gas is passed through side air inlet openings 31, as passed through in the drawings as shown in arrow.Mixed gas is inhaled into air-breathing chamber or air inlet chamber 20 the insides thus, wherein, makes to accelerate by the air-flow of piston rotary 6 by the negative pressure in air-breathing chamber 20.
Fig. 3 is according to the plan view above the side of the piston rotary 6 at the side panel 4 in the face of exhaust side of the piston rotary 6 with 3 negotiable flow-through openings 60 of axial mixed gas of the present invention.Flow-through opening 60 is that in Fig. 3, visible exhaust side has asymmetric in-profile 600.Can realize by asymmetric in-profile 600, according to Fig. 1 pass through the inswept side of piston rotary 6 exhaust port 43 time, make side exhaust port 43 and make thus exhaust passage 42 not with the inner space of piston rotary 6, the inner space of flow-through opening 60 is carried out fluid and is communicated with.In other words, can make side exhaust port 43 keep separating with flow-through opening 60 all the time by asymmetric in-profile 600.
Shown in embodiment for example in piston rotary 6 there is starting face 61 in the exhaust side shown in Fig. 3, partly hide flow-through opening 60 by this starting face 61, reduce in exhaust side with the in-profile of the outlet that makes flow-through opening 60.On the rotor seamed edge of side, be furnished with Stamping Steel Ribbon 8.For starting face 61 tops are pressed in according on the side panel 4 of the exhaust side of Fig. 1, preferably regulation, make the rotor-side surface of piston rotary 6 be designed to be greater than in this exhaust side in relative exhaust side, to make piston rotary 6 push up pressure by the air pressure axially producing towards side panel 4 directions of exhaust side.Realize thus the continuous contact of the upper surface of the side panel 4 of starting face 61 to exhaust side.
Fig. 4 and Fig. 5 shown axially by according to the revolution type piston engine 1 of Fig. 1 above the side panel 4 of exhaust side in the time that side exhaust port 43 is opened (Fig. 4) and when side exhaust port 43 is closed the view of (Fig. 5).Sealed by means of Stamping Steel Ribbon 8 with respect to the chamber 22,23 of revolution type piston engine 1 at the position of rotor 6 shown in Fig. 4 exhaust port 43.By means of starting face 61 realize exhaust port 43 with respect to flow-through opening 60 and thus with respect to the sealing of the inner space of rotor 6.Piston rotary 6, by being rotated by the direction shown in arrow, wherein moving on exhaust port 43 with the piston rotary 6 of its leading exterior contour 62 and makes thus exhaust port 43 open in chamber 22 directions.But the asymmetric profile of the outlet of exhaust port 43 based on flow-through opening 60 and the inner space of rotor 6 keep separating.Can prevent thus, waste gas is arrived the inner space of rotor 6 by chamber 22.For the exhaust port 43 of waste gas be open at this preferably at the latest before the maximum volume arriving in chamber 22 about 20 ° to the region of 30 ° of eccentric shaft angles, realize.
Fig. 5 has shown the view when exhaust port 43 close similar to Fig. 4.Realize and closing like this, the exterior contour 63 that lags behind in the time closing moves on exhaust port 43 regions and rotor 6 makes exhaust port 43 seal with respect to chamber 23 by Stamping Steel Ribbon 8.Also separate with flow-through opening 60 at this position exhaust port 43.In the time continuing motion, exhaust port 43 is opened with respect to the chamber 22 according to Fig. 2 again, so that the waste gas that burns and expanded can be discharged by exhaust port 43.
Self-evident, the in-profile 600 of shown flow-through opening 60 is only exemplary.The profile of in-profile 600 and exhaust port 43 is all so mutual coordinations in all cases, make exhaust port 43 keep separating with flow-through opening 60 all the time.
Claims (13)
1. a piston rotary, flow-through opening (60) for the cooling rotary piston engine of mixed gas, this piston rotary with at least one axial negotiable mixed gas, it is characterized in that, flow-through opening described at least one (60) at least has asymmetric in-profile (600) in its exhaust side, to make in the time passing through the side exhaust port (43) of the inswept described rotary piston engine of described piston rotary, described side exhaust port does not carry out fluid with the inner space of described flow-through opening and is communicated with.
2. piston rotary according to claim 1, is characterized in that, described piston rotary is for the cooling revolution type piston engine (1) of mixed gas of trochoid structural type.
3. piston rotary according to claim 1, is characterized in that, described piston rotary is with the flow-through opening (60) of three axial negotiable mixed gass.
4. piston rotary according to claim 1, it is characterized in that, the exhaust side of described piston rotary (6) described at least one flow-through opening (60) there is starting face (61), described starting face (61) is in operation and leans on the side panel (4) of the exhaust side of described rotary piston engine.
5. according to the piston rotary described in any one in claim 1-4, it is characterized in that, the described piston rotary (6) that is in operation is subject to the side direction rotor surface of gas pressure to be designed to be greater than in this exhaust side in relative exhaust side.
6. a rotary piston engine, comprise the side panel (4) of exhaust side and the piston rotary (6) with the negotiable flow-through opening of at least one axial mixed gas (60), it is characterized in that, the side panel (4) of described exhaust side has side exhaust port (43), and flow-through opening described at least one (60) at least has asymmetric in-profile (600) in its exhaust side, to make when by described piston rotary (6) inswept described side exhaust port (43), described side exhaust port (43) does not carry out fluid with the inner space of described flow-through opening (60) and is communicated with.
7. rotary piston engine according to claim 6, is characterized in that, described rotary piston engine is the revolution type piston engine (1) of trochoid structural type.
8. rotary piston engine according to claim 6, is characterized in that, described piston rotary (6) is with three negotiable flow-through openings of axial mixed gas (60).
9. rotary piston engine according to claim 6, it is characterized in that, described side exhaust port (43) by described piston rotary (6) when the minimum volume arriving in exhaust chamber (22) or before can closure.
10. according to the rotary piston engine described in any one in claim 6-9, it is characterized in that, described side exhaust port (43) was opened for combustion gas before the maximum volume arriving in described exhaust chamber (22) by described piston rotary (6) in the region of 20 ° to 30 °.
11. according to the rotary piston engine described in any one in claim 6-9, it is characterized in that, the exhaust side of described piston rotary (6) described at least one flow-through opening (60) there is starting face (61), described starting face (61) is in operation and leans on the side panel (4) of the described exhaust side of described rotary piston engine.
12. according to the rotary piston engine described in any one in claim 6-9, it is characterized in that, the described piston rotary that is in operation is subject to the side direction rotor-side surface of gas pressure to be designed to be greater than in this exhaust side at the opposite side of exhaust side.
13. according to the rotary piston engine described in any one in claim 6-9, it is characterized in that, in the exhaust passage of the side panel (4) of described exhaust side, is provided with heat insulating member (7).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102009022490.4A DE102009022490B4 (en) | 2009-05-19 | 2009-05-19 | Piston rotor for a rotary piston engine and rotary piston engine |
| DE102009022490.4 | 2009-05-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101892899A CN101892899A (en) | 2010-11-24 |
| CN101892899B true CN101892899B (en) | 2014-11-19 |
Family
ID=42993654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010195168.4A Expired - Fee Related CN101892899B (en) | 2009-05-19 | 2010-05-19 | Rotary piston for a rotary piston engine and rotary piston engine |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US8528518B2 (en) |
| JP (1) | JP5563370B2 (en) |
| CN (1) | CN101892899B (en) |
| DE (1) | DE102009022490B4 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8656888B2 (en) | 2011-07-28 | 2014-02-25 | Pratt & Whitney Canada Corp. | Rotary internal combustion engine with variable volumetric compression ratio |
| US8893684B2 (en) * | 2011-07-28 | 2014-11-25 | Pratt & Whitney Canada Corp. | Rotary internal combustion engine with exhaust purge |
| CN102606307A (en) * | 2012-04-05 | 2012-07-25 | 济南汉菱电气有限公司 | Steady-flow-burning rotor expansion type engine |
| CN105545467B (en) * | 2016-03-04 | 2016-11-09 | 江苏紫烨动力研究院有限公司 | A kind of rotary engine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3779214A (en) * | 1972-10-13 | 1973-12-18 | Outboard Marine Corp | Rotary combustion engine having a charge-cooled rotor and side and peripheral wall intake ports |
| US4000721A (en) * | 1971-07-17 | 1977-01-04 | Birmingham Small Arms Company Limited | Rotary internal combustion engines |
| CN88102501A (en) * | 1988-04-29 | 1988-12-14 | 郭正礼 | E type rotary polygonal piston engine |
| US6325603B1 (en) * | 1998-12-17 | 2001-12-04 | Moller International, Inc. | Charged cooled rotary engine |
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| DE67285C (en) | CONSOLIDATED CAR HEATING COMPANY in Wheeling, West-Virginien, V. St. A | Heat regulator for steam heating | ||
| DD67285A (en) * | ||||
| US3007460A (en) * | 1960-03-29 | 1961-11-07 | Curtiss Wright Corp | Cooling arrangement for rotary mechanisms |
| DE1935827A1 (en) * | 1969-07-15 | 1971-02-11 | Fichtel & Sachs Ag | Pistons for rotary piston machines |
| GB1378827A (en) * | 1971-12-24 | 1974-12-27 | Audi Ag | Piston for rotary piston machines and a die-casting tool for its manufacture |
| JPS5024609A (en) * | 1973-07-07 | 1975-03-15 | ||
| US4102615A (en) * | 1976-10-13 | 1978-07-25 | Irgens Finn T | Internally cooled rotary combustion engine |
| US4159888A (en) * | 1977-10-07 | 1979-07-03 | General Motors Corporation | Thrust balancing |
| DE3261921D1 (en) * | 1981-06-20 | 1985-02-28 | Norton Motors 1978 | Air or charge cooled rotor for a rotary engine |
| DE3417488A1 (en) * | 1984-05-11 | 1985-11-14 | Wankel Gmbh, 1000 Berlin | COOLING A PISTON OF A ROTARY PISTON INTERNAL COMBUSTION ENGINE |
| JPS63501302A (en) * | 1985-11-08 | 1988-05-19 | ウアンケル・ゲゼルシヤフト・ミト・ベシユレンクテル・ハフツング | Cooling of pistons in rotating piston internal combustion engines |
| GB8528575D0 (en) * | 1985-11-20 | 1985-12-24 | Norton Motors Ltd | Rotor |
| US4741681A (en) * | 1986-05-01 | 1988-05-03 | Bernstrom Marvin L | Gerotor motor with valving in gerotor star |
| DE3626157A1 (en) * | 1986-08-01 | 1987-01-22 | Wankel Felix | SEALING PROCEDURE |
| US4898522A (en) * | 1988-04-07 | 1990-02-06 | Teledyne Industries, Inc. | System for cooling the rotary engine rotor |
| US5049049A (en) * | 1990-05-18 | 1991-09-17 | Wankel Gmbh | Rotary piston internal combustion engine |
| JP3598546B2 (en) * | 1994-11-29 | 2004-12-08 | マツダ株式会社 | Rotary piston engine |
| DE19738622C2 (en) * | 1997-09-04 | 2003-06-12 | Daimler Chrysler Ag | Exhaust pipe for a catalyst having exhaust system of an internal combustion engine |
| DE19802443C1 (en) * | 1998-01-23 | 1999-05-12 | Luk Fahrzeug Hydraulik | Pump with housing in which is pump unit |
| US6146120A (en) * | 1998-07-29 | 2000-11-14 | Jenn Feng Industrial Co., Ltd. | Rotary engine having an improved rotor structure |
| US6932587B2 (en) * | 2002-09-13 | 2005-08-23 | Parker-Hannifin Corporation | Gerotor motor with valve in rotor |
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| JP4930479B2 (en) * | 2007-10-17 | 2012-05-16 | マツダ株式会社 | Rotary piston engine and design method thereof |
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2009
- 2009-05-19 DE DE102009022490.4A patent/DE102009022490B4/en not_active Expired - Fee Related
-
2010
- 2010-05-18 JP JP2010113940A patent/JP5563370B2/en not_active Expired - Fee Related
- 2010-05-18 US US12/800,566 patent/US8528518B2/en not_active Expired - Fee Related
- 2010-05-19 CN CN201010195168.4A patent/CN101892899B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4000721A (en) * | 1971-07-17 | 1977-01-04 | Birmingham Small Arms Company Limited | Rotary internal combustion engines |
| US3779214A (en) * | 1972-10-13 | 1973-12-18 | Outboard Marine Corp | Rotary combustion engine having a charge-cooled rotor and side and peripheral wall intake ports |
| CN88102501A (en) * | 1988-04-29 | 1988-12-14 | 郭正礼 | E type rotary polygonal piston engine |
| US6325603B1 (en) * | 1998-12-17 | 2001-12-04 | Moller International, Inc. | Charged cooled rotary engine |
Also Published As
| Publication number | Publication date |
|---|---|
| US8528518B2 (en) | 2013-09-10 |
| CN101892899A (en) | 2010-11-24 |
| US20100300402A1 (en) | 2010-12-02 |
| DE102009022490A1 (en) | 2010-11-25 |
| JP2010270752A (en) | 2010-12-02 |
| DE102009022490B4 (en) | 2014-10-23 |
| JP5563370B2 (en) | 2014-07-30 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141119 Termination date: 20170519 |